Foam sandwich construction

Details Foam sandwich construction Foam sandwich construction

1984-02-06

1984-09-04

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428110, 428112, 428114, 428284, 428285, 428294, B32B 508, B22B 512

Patent

active

044697333

ABSTRACT:
The invention provides a laminate or sandwich suitable for structural purposes and which comprises a lightweight foam core having bonded on one or both sides a lightweight structural skin. More particularly the structural skin adapted to be bonded to the foam core to form the laminate or sandwich construction comprises a composite of resin and monofilaments. This structural skin is characterized in that these monofilaments are laid to extend along the skin without directional change relative to the extent of the skin. The monofilaments are at least 10 cm in length and are neither crimped nor woven. Within the composite forming the structural skin the ratio of resin to monofilament is ess than 2:1 by weight.

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